Astronomy and Astrophysics – Astronomy
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aj.....94.1330d&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 94, Nov. 1987, p. 1330-1338. Research supported by the University of Toronto and NSE
Astronomy and Astrophysics
Astronomy
207
Comets, Solar System, Stellar Evolution, Clouds, Equations Of Motion, Monte Carlo Method, Orbit Perturbation, Simulation, Solar Orbits, Comets, Formation, Solar Sytem, Oort Cloud, Origin, Size, Description, Numerical Methods, Simulations, Evolution, Parameters, Perturbations, Interaction, Diffusion, Radius, Time Scale, Density, Abundance, Flux, Calculations, Procedure, Diagrams, Eccentricity, Inclination
Scientific paper
The authors present the results of numerical simulations of the origin and evolution of the solar system comet cloud. They assume that comets formed in the outer planetary region and that their orbits evolved to their current state through planetary perturbations, stellar encounters, and the galactic tide. The evolution is followed using a hybrid integration scheme which directly integrates the regularized equations of motion for cometary orbits with large semimajor axes, while solving an energy-diffusion equation for more tightly bound orbits. Stellar encounters are introduced via a Monte Carlo approach using the impulse approximation. The results of the simulations are discussed in detail.
Duncan Martin
Quinn Terry
Tremaine Scott
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